other families find their loved ones. >> that's the only reason, a sense of meaning of life, is helping each other, taking care of each other. those moments, hard moments, that becomes really, really everything becomes black or white. you help, and you forget about yourself. >> reporter: the boys then were just 10, 7, and 5 years old. the family, shown here at the film's world premiere in toronto last september. the boys like to go surfing. some family members also attended the recent london premiere along with naomi watts. >> i wanted to do this story because of many, many people that can't tell the story. that's why i feel i should be there for them. >> whether you know about this tsunami or not, it's a story that we can all connect with, the need to survive, who we want to survive for, and why. >> reporter: al goodman, cnn, madrid. coming up, there are yachts, and there are yachts. >> i'm dying to see this.